biochemistry - Difference between Peptone, Peptide and Proteose ...
2017年3月31日 · Today, both peptone and proteose are terms used almost exclusively when describing microbiological culture media (which dates from the period) or when making general reference to digestion products. In fact, they are often used in conjunction (ie proteose-peptone) which suggests they are now synonymous.
What is "bacto" peptone? - Biology Stack Exchange
2014年5月25日 · Standard recipes for yeast medium often include "bacto-peptone". Is this the same as bacteriological peptone? Is there an authoritative source that spells it ou
Is there any alternative to peptone and beef or yeast extract?
2021年8月13日 · The authors used coconut cake (meal), ground-nut or gingelly cake which worked just as fine as the peptone. The article is: An indigenous substitute for peptone as the ingredient of culture media. by Raghavendra Rao et al. 2020 (ISSN: 2456-1045).
Amino acid compatibility - Biology Stack Exchange
The (human) genetic code encodes 20 amino acids. They form a protein using peptide bonds. Each amino acid has a carboxyl group (COOH) and an amino group (NH2) that can potentially form a peptide bo...
Is casein hydrolysate the same thing as casamino acids?
Roughly, yes they are similar, but there are processing differences- the real difference is filtering. A product containing simply casein hydrosylate will only be roughly filtered with lots of peptides (like body builder products).
Is it essential to add cholesterol to agar or liquid culture for C ...
2014年8月30日 · You don't need to add the metals to NGM. There are enough in the peptone, yeast extract, and agar. But they will be visibly abnormal (although alive) if you don't add cholesterol. Believe me, I have done it :-/ $\endgroup$ –
What is the significance of cysteine in a protein sequence?
2016年10月7日 · Cysteine can form a disulphide bond with another cysteine. Cysteine can be found as a lone cysteine, but is often paired with another cysteine in the tertiary structure to form these bonds.
How exactly is casein digested? - Biology Stack Exchange
2018年3月31日 · $\begingroup$ Thanks for the answer! The problem is that after a lot of hours of reading i was convinced that i will be able to digest very aged cheeses like parmesan because they are predigested by bacteria - the casein should be degraded to free amino acids - i tried 22 month old parmesan - the result was disaster.
biochemistry - What is the difference between a signal peptide …
2018年12月10日 · From what I know, the two names are used interchangeably and I haven't found any resource which says otherwise either. Is there at all any difference, is there a transit peptide that is not a signal
bacteriology - Advantages and disadvantages of sporulation …
2017年4月21日 · $\begingroup$ Sporulation is a process that is very hard reverse. While it is a good as last resort, trying to find a solution (Competence) might be a faster way to resist the stress.